A rapid, sensitive, and economical pipette tip solid phase extraction (PT-SPE) based on
graphene oxide/polypyrrole (GO/PPy) coupled with high performance liquid chromatography …

The miniaturization of self-assembled solid phase extraction (m-SASPE) based on graphene
oxide/chitosan (GO/CS) coupled with liquid chromatography-ultraviolet detection was …

A graphene oxide-incorporated monolithic column was fabricated and developed as an on-
line solid-phase extraction sorbent coupled with LC-MS/MS for the automatic and fast …

A miniaturized graphene-based pipette tip extraction (MG-PTE) method coupled with liquid
chromatography-ultraviolet detection was developed for rapid screening of sulfadimidine …

A solid-phase extraction (SPE) using graphene as adsorbent coupled with capillary zone
electrophoresis method was developed for the determination of four sulfonamide residues …

A simple and rapid method based on magnetic solid-phase extraction (MSPE) combined
with high-performance liquid chromatography coupled with triple quadrupole mass …

In this study, an overhead rotating flat surface sorbent based solid-phase microextraction
was developed as a rapid and efficient method for simultaneous separation and …

Graphene‐Fe3O4 nanoparticles were prepared using one‐step solvothermal method and
characterized by X‐ray diffraction, FTIR spectroscopy, scanning electron microscopy, and …

In this work, a sorbent based on poly (ethylene glycol) diacrylate (PEGDA) polymer has
been synthesized for solid-phase extraction (SPE) of sulfonamides (sulfaguanidine …

Silica and graphene oxide were separately modified by using three different kinds of silane
coupling agents, including (3-chloropropyl)-trimethoxysilane (NQ54), 3 …